The current institutional shareholding score of Southwest Gas Holdings Inc is 10.00, ranking 1 out of 14 in the Natural Gas Utilities industry. The latest institutional shareholding proportion is 101.17%, representing a quarter-over-quarter increase of 17.76%. The largest institutional shareholder is Lee Ainslie, holding a total of 2.07M shares, representing 2.94% of shares outstanding, with 0.04% increase in holdings.